Google Quantum AI has released a white paper indicating that future quantum computers could break Bitcoin's encryption with significantly fewer resources than previously thought. The study, conducted with Stanford University and the Ethereum Foundation, suggests that the quantum resources needed to compromise Bitcoin's Elliptic Curve Digital Signature Algorithm (ECDSA) are about 20 times lower than earlier estimates. This revelation has sparked concern over the potential for quantum computers to reverse-engineer private keys from public keys in minutes, posing a threat to Bitcoin's security. The research highlights that a quantum computer with 500,000 physical qubits could theoretically execute such an attack, a capability far beyond current technology. Google has advanced its internal deadline for transitioning to post-quantum cryptography to 2029, underscoring the urgency of addressing quantum threats. While the immediate risk to Bitcoin is limited, the broader implications for digital security infrastructure are significant, prompting calls for accelerated adoption of quantum-resistant cryptographic measures.